https://devzone.nordicsemi.com/f/nordic-q-a/25045/beacon-advertising-packetHello! I know that nrf51822 beacon advertising packet consists of the following seven data fields: Vendor ID Service Data payload size in bytes UUID – manufacturer specific data Major value Minor value Output power Whaten-USTelligent Community 13Sat, 09 Sep 2017 07:39:08 GMThttps://devzone.nordicsemi.com/thread/98622?ContentTypeID=1Sat, 09 Sep 2017 07:39:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ee076bf9-b9d3-40ef-a7b6-147c041a2287endnode<p>Firstly this is specifically iBeacon format defined by Apple. There are infinite number of other possible &quot;beacon&quot; data formats if you want. Secondly just by using google or other search engine you get explanation in 5 seconds. Have you bothered?</p> <ul> <li><a href="https://developer.apple.com/ibeacon/Getting-Started-with-iBeacon.pdf">developer.apple.com/.../Getting-Started-with-iBeacon.pdf</a></li> <li><a href="http://www.ibeacon.com/what-is-ibeacon-a-guide-to-beacons/">www.ibeacon.com/.../</a></li> <li><a href="https://en.wikipedia.org/wiki/IBeacon">en.wikipedia.org/.../IBeacon</a></li> <li>...</li> </ul><div style="clear:both;"></div>